1094391387 has 6 divisors (see below), whose sum is σ = 1580787572. Its totient is φ = 729594252.

The previous prime is 1094391383. The next prime is 1094391401. The reversal of 1094391387 is 7831934901.

It is not a de Polignac number, because 1094391387 - 2² = 1094391383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1094391383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60799513 + ... + 60799530.

Almost surely, 2^1094391387 is an apocalyptic number.

1094391387 is a deficient number, since it is larger than the sum of its proper divisors (486396185).

1094391387 is a wasteful number, since it uses less digits than its factorization.

1094391387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121599049 (or 121599046 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1094391387 is about 33081.5868271158. The cubic root of 1094391387 is about 1030.5226828408.

The spelling of 1094391387 in words is "one billion, ninety-four million, three hundred ninety-one thousand, three hundred eighty-seven".